@article{906568,
      recid = {906568},
      author = {Ehlers, Jürgen, and Gibbard, Philip L. and Hughes, Philip  D.},
      title = {Quaternary glaciations extent and chronology : a closer  look / [electronic resource] :},
      publisher = {Elsevier,},
      address = {Amsterdam :},
      pages = {xvii, 1108 p. :},
      year = {2011},
      note = {Two columns to the page.},
      url = {http://library.usi.edu/record/906568},
}